Home / 92,916.12-128,224.59-54,677.16

Finding the Fourth Proportional to 92,916.12, 128,224.59 and 54,677.16

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Solution

The fourth proportional to 92,916.12, 128,224.59 and 54,677.16 is: 75,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,916.12 : 128,224.59 = 54,677.16 : x
  2. Step 2: Convert to fraction form
    92,916.12/128,224.59 = 54,677.16/x
  3. Step 3: Cross multiply
    92,916.12x = 128,224.59 × 54,677.16
  4. Step 4: Simplify right side
    92,916.12x = 7,010,956,423.36
  5. Step 5: Solve for x
    x = 7,010,956,423.36/92,916.12
  6. Step 6: Final answer
    x = 75,454.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.